private static PageTemplateConfiguration LoadPageTemplateConfiguration(string configurationPath)
{
PageTemplateConfiguration rtnConfig = null;
XmlSerializer serializer = new XmlSerializer(typeof(PageTemplateConfiguration));
bool pageAssemblyInstructionXmlValid = true;
pageAssemblyInstructionXmlValid = PageAssemblyInstructionFactory.ValidateXml(PageTemplateConfigurationPath,
HttpContext.Current.Server.MapPath(ContentDeliveryEngineConfig.PageAssembly.PageAssemblyInfoTypes.XsdPath));
try
{
using (FileStream xmlFile = File.Open(configurationPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete))
{
rtnConfig = (PageTemplateConfiguration)serializer.Deserialize(XmlReader.Create(xmlFile));
}
}
catch (Exception ex)
{
//TODO: Do something here
}
return(rtnConfig);
}
private static void AddPageTemplateConfigurationToCache(PageTemplateConfiguration config, string configurationPath)
{
HttpContext.Current.Cache.Add(
PageTemplateConfigurationKey,
config,
new CacheDependency(configurationPath),
Cache.NoAbsoluteExpiration,
Cache.NoSlidingExpiration,
CacheItemPriority.NotRemovable,
new CacheItemRemovedCallback(PTCCachedRemovalCallback));
}
private static void PTCCachedRemovalCallback(string key, object config, CacheItemRemovedReason reason)
{
//If the PageTemplateConfiguration was removed because of the dependency, then
//reload the PageTemplateConfiguration
if (
key == PageTemplateConfigurationKey &&
reason == CacheItemRemovedReason.DependencyChanged
)
{
PageTemplateConfiguration reloadedConfig =
LoadPageTemplateConfiguration(PageTemplateConfigurationPath);
AddPageTemplateConfigurationToCache(reloadedConfig, PageTemplateConfigurationPath);
}
}
/// <summary>
/// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj)
{
PageTemplateConfiguration target = obj as PageTemplateConfiguration;
if (target == null)
{
return(false);
}
if (
(TemplateThemeCollection == null && target.TemplateThemeCollection != null) ||
(TemplateThemeCollection != null && target.TemplateThemeCollection == null)
)
{
return(false);
}
if (TemplateThemeCollection.Length != target.TemplateThemeCollection.Length)
{
return(false);
}
for (int i = 0; i < TemplateThemeCollection.Length; i++)
{
if (TemplateThemeCollection[i] == null)
{
if (target.TemplateThemeCollection[i] != null)
{
return(false);
}
//If we did not return then we know that target.TemplateThemeCollection[i] is also null
}
else
{
if (!TemplateThemeCollection[i].Equals(target.TemplateThemeCollection[i]))
{
return(false);
}
}
}
if (
(PageTemplateCollections == null && target.PageTemplateCollections != null) ||
(PageTemplateCollections != null && target.PageTemplateCollections == null)
)
{
return(false);
}
if (PageTemplateCollections.Length != target.PageTemplateCollections.Length)
{
return(false);
}
for (int i = 0; i < PageTemplateCollections.Length; i++)
{
if (PageTemplateCollections[i] == null)
{
if (target.PageTemplateCollections[i] != null)
{
return(false);
}
//If we did not return then we know that target.PageTemplateCollections[i] is also null
}
else
{
if (!PageTemplateCollections[i].Equals(target.PageTemplateCollections[i]))
{
return(false);
}
}
}
return(true);
}